Liddell-Scott-Jones

χιλιαρχία (chiliarchia) a command of a thousand ^G:N-F

χιλιαρχία-ία, ἡ,

office or post of χιλίαρχος, [Refs 5th c.BC+]

__2 office of tribunus militum [Refs 1st c.AD+]; ἀπὸ τριῶν χ., = Latin tribus militiis, [Refs]
__II unit under the command of a χιλίαρχος, corps of 1024 men, [Refs 1st c.BC+]
__II.2 ={χιλιάς}, [LXX]
__II.3 Persian military district, [Refs 4th c.BC+]
__III ={χιλιετηρίς}, applied to work by Asinius Quadratus, [Refs 5th c.AD+]

_{LSJ Scripture Refs: LXX.Num.31.48}